/Engine/Source/Runtime/SignalProcessing/Public/DSP/TapDelayPitchShifter.h
Process whole block of audio reading to and writing from delay line from input buffer.
void ProcessAudio ( [Audio::FDelay](API\Runtime\SignalProcessing\DSP\FDelay) & InDelayBuffer, const float * InAudioBuffer, const int32 InNumFrames, float * OutAudioBuffer )